feat: Add Gemini 2.5 Flash Prompt Engineering and Flux support

.env

@@ -2,3 +2,5 @@ PORT=7860
 MONGO_URI=mongodb+srv://ibrohm135:mansur5754@cluster0.intw8qq.mongodb.net/savdo?appName=Cluster0
 BOT_TOKEN=8606505490:AAETdDAWWis5jLEXEmD2k6wRRrhHGubelBI
 ADMIN_ID=6309900880
+
+GEMINI_API_KEY=AIzaSyDtNZY4hzgbnaSD1Y1N2N94qGCJ2arKfq4

bot/bot.js

@@ -6,6 +6,9 @@ const Banner = require('../models/Banner');
 const dns = require('dns');
 const https = require('https');
 const http = require('http');
+const { GoogleGenerativeAI } = require('@google/generative-ai');
+
+const genAI = new GoogleGenerativeAI(process.env.GEMINI_API_KEY || '');
 
 dns.setDefaultResultOrder('ipv4first');
 
@@ -31,100 +34,27 @@ function downloadImage(url) {
     });
 }
 
-// O'zbekcha => Inglizcha tarjima lug'ati (150+ so'z)
-const uzToEn = {
-    // === KIYIM & MODA ===
-    'kiyim': 'clothing apparel', 'kiyimlar': 'clothing fashion collection', 'libos': 'outfit elegant dress',
-    'manti': 'formal blazer coat overcoat', 'mantiya': 'formal blazer coat', 'palto': 'coat winter jacket',
-    'kostyum': 'formal business suit', 'koylak': 'shirt blouse', 'ko\'ylak': 'shirt blouse',
-    'shim': 'pants trousers', 'jinsi': 'jeans denim', 'futbolka': 'tshirt casual',
-    'kurtka': 'jacket outerwear', 'sviter': 'sweater knitwear', 'yubka': 'skirt',
-    'plashch': 'raincoat', 'shortik': 'shorts', 'pidjak': 'blazer jacket',
-    'galstuk': 'tie necktie', 'shapka': 'hat cap beanie', 'sharf': 'scarf',
-    'poyafzal': 'shoes footwear', 'krossovka': 'sneakers trainers', 'tufli': 'formal shoes heels',
-    'sumka': 'bag handbag purse', 'kamar': 'belt leather', 'soat': 'watch luxury wristwatch',
-    'ko\'zoynak': 'sunglasses eyewear', 'uzuk': 'ring jewelry', 'sirga': 'earrings jewelry',
-    'marjonlar': 'necklace beads', 'aksessuar': 'accessories fashion',
-    // === ODAMLAR ===
-    'yigit': 'young man handsome', 'qiz': 'young woman beautiful girl', 'ayol': 'woman elegant lady',
-    'erkak': 'man gentleman', 'talaba': 'student university campus', 'bolalar': 'children kids cute',
-    'oila': 'family together', 'bola': 'child kid', 'kelin': 'bride beautiful',
-    'kuyov': 'groom handsome', 'model': 'fashion model professional',
-    // === TADBIRLAR ===
-    'bitiruv': 'graduation ceremony celebration', 'oqshom': 'evening gala night party',
-    'bayram': 'celebration holiday festive joyful', 'toy': 'wedding ceremony luxurious',
-    'tug\'ilgan': 'birthday party celebration', 'kun': 'day',
-    'mehmon': 'guest party gathering', 'konsert': 'concert music performance',
-    'festival': 'festival carnival vibrant',
-    // === MARKETING & SAVDO ===
-    'chegirma': 'sale discount mega promotion', 'aksiya': 'special offer flash deal sale',
-    'chegirmalar': 'discounts promotions deals', 'yangilik': 'new arrivals fresh trending',
-    'yangi': 'new fresh latest', 'kolleksiya': 'collection exclusive', 'bepul': 'free bonus gift',
-    'cheklangan': 'limited edition exclusive', 'tez': 'fast quick express', 'buyurtma': 'order delivery',
-    'yetkazish': 'delivery shipping fast', 'foiz': 'percent off discount',
-    'super': 'super mega amazing', 'maxsus': 'special exclusive VIP',
-    'eng': 'best top number one', 'arzon': 'affordable budget cheap',
-    'sifatli': 'premium quality high-end', 'original': 'original authentic genuine',
-    'top': 'top bestseller trending', 'hit': 'bestseller popular trending',
-    // === TEXNOLOGIYA ===
-    'texnika': 'electronics technology gadgets', 'telefon': 'smartphone mobile phone',
-    'kompyuter': 'computer laptop desktop', 'planshet': 'tablet iPad digital',
-    'quloqchin': 'headphones earbuds audio', 'kamera': 'camera photography DSLR',
-    'televizor': 'television TV screen', 'printer': 'printer scanner office',
-    'naushnik': 'headphones wireless bluetooth', 'zaryadka': 'charger power bank',
-    'robot': 'robot technology AI smart', 'dron': 'drone aerial photography',
-    // === RANGLAR ===
-    'qizil': 'red crimson', 'ko\'k': 'blue navy', 'yashil': 'green emerald',
-    'sariq': 'yellow golden bright', 'oq': 'white clean pure', 'qora': 'black dark sleek',
-    'pushti': 'pink rose', 'binafsha': 'purple violet', 'to\'q': 'dark deep rich',
-    'och': 'light pastel soft', 'oltin': 'gold golden luxurious', 'kumush': 'silver metallic',
-    'rangli': 'colorful vibrant rainbow', 'rang': 'color hue tone',
-    // === FASLLAR & OB-HAVO ===
-    'yil': 'year annual', 'yoz': 'summer sunny warm', 'qish': 'winter cold snowy',
-    'kuz': 'autumn fall harvest', 'bahor': 'spring blossom fresh',
-    'issiq': 'hot warm tropical', 'sovuq': 'cold cool freezing',
-    'yomg\'ir': 'rain rainy', 'quyosh': 'sun sunshine bright',
-    // === JOY & MUHIT ===
-    'dokon': 'store shop boutique', 'savdo': 'shopping commerce business',
-    'bozor': 'market marketplace bazaar', 'uy': 'home interior house', 'hovli': 'garden yard',
-    'mebel': 'furniture interior design', 'oshxona': 'kitchen cooking culinary',
-    'yotoqxona': 'bedroom cozy interior', 'ofis': 'office workspace business',
-    'restoran': 'restaurant dining fine', 'kafe': 'cafe coffeeshop trendy',
-    'park': 'park nature outdoor', 'shahar': 'city urban modern skyline',
-    'tog\'': 'mountain landscape nature', 'dengiz': 'sea ocean beach tropical',
-    'ko\'cha': 'street urban lifestyle',
-    // === KAYFIYAT & SIFAT ===
-    'zamonaviy': 'modern contemporary chic', 'chiroyli': 'beautiful gorgeous stunning',
-    'hashamatli': 'luxurious opulent elegant', 'oddiy': 'simple minimalist clean',
-    'klassik': 'classic timeless elegant', 'romantik': 'romantic lovely dreamy',
-    'premium': 'premium luxury exclusive', 'professional': 'professional expert polished',
-    'sport': 'sport athletic fitness active', 'moda': 'fashion trendy stylish haute couture',
-    'ajoyib': 'amazing wonderful fantastic', 'zo\'r': 'cool awesome great',
-    'go\'zal': 'beautiful gorgeous pretty',
-    // === HARAKATLAR ===
-    'kiyib': 'wearing dressed in', 'turgan': 'standing posing', 'yurgan': 'walking strolling',
-    'o\'tirgan': 'sitting relaxed', 'yugurgan': 'running jogging active',
-    'ko\'rsatib': 'showing demonstrating showcasing', 'sotib': 'buying shopping purchasing',
-    // === SOVG'A & ULOV ===
-    'sovga': 'gift present wrapped surprise', 'mashina': 'car automobile vehicle luxury',
-    'avto': 'auto car vehicle', 'velosiped': 'bicycle cycling sport',
-    // === GRAMMATIK SO'ZLAR ===
-    'va': 'and', 'bilan': 'with', 'uchun': 'for', 'da': 'in at', 'ning': 'of',
-    'ga': 'to towards', 'dan': 'from', 'lar': '', 'har': 'every each',
-    'eng': 'most best top', 'juda': 'very extremely highly',
-    // === FILTER SO'ZLAR ===
-    'rasmini': '', 'chizib': '', 'ber': '', 'bersin': '', 'rasm': '', 'yasab': '', 'yasa': ''
-};
-
-function translatePrompt(uzText) {
-    let words = uzText.toLowerCase().split(/\s+/);
-    let translated = words.map(w => {
-        for (const [uz, en] of Object.entries(uzToEn)) {
-            if (w === uz || w.startsWith(uz)) return en;
-        }
-        return w; // Topilmasa o'zi qoladi
-    }).filter(w => w.length > 0).join(' ');
-    return translated + ', wide landscape banner, professional advertising photography, cinematic lighting, vivid colors, high detail, photorealistic, no text on image';
+// AI yordamida (Gemini) promptni professional darajada kengaytirish
+async function enhancePromptWithGemini(userText, templateBase = '') {
+    if (!process.env.GEMINI_API_KEY) {
+        return (templateBase ? templateBase + ', ' : '') + userText + ', professional advertising banner, highly detailed';
+    }
+    try {
+        const model = genAI.getGenerativeModel({ model: "gemini-2.5-flash" });
+        const prompt = `You are an expert AI image prompt engineer. The user wants to generate an e-commerce banner.
+Convert the following short idea (often in Uzbek) into a highly detailed, professional, comma-separated English prompt for a text-to-image AI (like Flux or Midjourney).
+Ensure it describes the visual elements beautifully. Include stylistic tags like: wide landscape banner, professional advertising photography, cinematic lighting, vivid colors, photorealistic, 8k resolution, highly detailed, no text on image.
+If a template context is provided, combine it smoothly.
+Template Context: ${templateBase || 'None'}
+User's Idea: "${userText}"
+
+Respond ONLY with the final English prompt string, and nothing else.`;
+        const result = await model.generateContent(prompt);
+        return result.response.text().trim();
+    } catch (e) {
+        console.error("Gemini error:", e);
+        return (templateBase ? templateBase + ', ' : '') + userText + ', professional advertising banner, cinematic lighting, photorealistic';
+    }
 }
 
 // AI Banner Shablon Promptlari
@@ -869,39 +799,50 @@ if (process.env.BOT_TOKEN && process.env.BOT_TOKEN !== 'YOUR_TELEGRAM_BOT_TOKEN'
         const ts1 = Date.now();
         const ts2 = ts1 + 12345;
         const encoded = encodeURIComponent(finalPrompt);
-        const url1 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=512&seed=${ts1}&nologo=true`;
-        const url2 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=512&seed=${ts2}&nologo=true`;
         
-        await ctx.reply('⏳ AI 2 ta variant yaratmoqda... (20-40 soniya kutib turing)');
+        // Hozirgi eng maxsus fotorealistik model: FLUX
+        const url1 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=512&seed=${ts1}&nologo=true&model=flux`;
+        const url2 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=512&seed=${ts2}&nologo=true&model=flux`;
+        
+        await ctx.reply('⏳ Gemini promptni kengaytirib, Flux 2 ta variant yaratmoqda... (Kuting, 20-40 soniya)');
         
         try {
-            // Ikkalasini parallel yuklab olish
-            const [buffer1, buffer2] = await Promise.all([
+            // Ikkalasini xavfsiz yuklab olish (biri xato qilsa ham ikkinchisi ishlaydi)
+            const results = await Promise.allSettled([
                 downloadImage(url1),
                 downloadImage(url2)
             ]);
             
-            // 1-variant
-            const msg1 = await ctx.replyWithPhoto({ source: buffer1, filename: 'variant1.jpg' }, {
-                caption: `🎨 *Variant 1*\n📝 _"${originalPrompt}"_`,
-                parse_mode: 'Markdown',
-                ...Markup.inlineKeyboard([
-                    [Markup.button.callback('✅ Shu rasmni tanlash', 'ai_pick_1')]
-                ])
-            });
-            
-            // 2-variant
-            const msg2 = await ctx.replyWithPhoto({ source: buffer2, filename: 'variant2.jpg' }, {
-                caption: `🎨 *Variant 2*\n📝 _"${originalPrompt}"_`,
-                parse_mode: 'Markdown',
-                ...Markup.inlineKeyboard([
-                    [Markup.button.callback('✅ Shu rasmni tanlash', 'ai_pick_2')]
-                ])
-            });
-            
-            // FileID larni olish
-            const fileId1 = msg1.photo[msg1.photo.length - 1].file_id;
-            const fileId2 = msg2.photo[msg2.photo.length - 1].file_id;
+            let msg1, msg2;
+            let fileId1 = null, fileId2 = null;
+
+            // 1-variant tekshiriladi
+            if (results[0].status === 'fulfilled') {
+                msg1 = await ctx.replyWithPhoto({ source: results[0].value, filename: 'variant1.jpg' }, {
+                    caption: `🎨 *Variant 1*\n📝 _"${originalPrompt}"_\n\n🤖 _Gemini kuchi bilan yozildi_`,
+                    parse_mode: 'Markdown',
+                    ...Markup.inlineKeyboard([[Markup.button.callback('✅ Shu rasmni tanlash', 'ai_pick_1')]])
+                });
+                fileId1 = msg1.photo[msg1.photo.length - 1].file_id;
+            } else {
+                await ctx.reply('⚠️ Variant 1 ni yuklab olishda serverda xatolik yuz berdi.');
+            }
+
+            // 2-variant tekshiriladi
+            if (results[1].status === 'fulfilled') {
+                msg2 = await ctx.replyWithPhoto({ source: results[1].value, filename: 'variant2.jpg' }, {
+                    caption: `🎨 *Variant 2*\n📝 _"${originalPrompt}"_\n\n🤖 _Gemini kuchi bilan yozildi_`,
+                    parse_mode: 'Markdown',
+                    ...Markup.inlineKeyboard([[Markup.button.callback('✅ Shu rasmni tanlash', 'ai_pick_2')]])
+                });
+                fileId2 = msg2.photo[msg2.photo.length - 1].file_id;
+            } else {
+                await ctx.reply('⚠️ Variant 2 ni yuklab olishda serverda xatolik yuz berdi.');
+            }
+
+            if (!fileId1 && !fileId2) {
+                throw new Error("Ikkala rasm ham yuklanmadi. Iltimos, qayta urining.");
+            }
             
             appState[userId] = { 
                 step: 'ai_picking_variant', 
@@ -1142,7 +1083,8 @@ if (process.env.BOT_TOKEN && process.env.BOT_TOKEN !== 'YOUR_TELEGRAM_BOT_TOKEN'
         // AI Banner — Shablon bilan
         if (state.step === 'ai_template_prompt') {
             const userText = text.toLowerCase() === 'davom' ? '' : text;
-            const finalPrompt = state.templateBase + (userText ? ', ' + translatePrompt(userText) : '') + ', wide landscape banner, professional advertising, cinematic lighting, vivid colors, photorealistic, no text on image';
+            await ctx.reply('🧠 Gemini loyihangizni anglab, mukammal prompt tuzmoqda...');
+            const finalPrompt = await enhancePromptWithGemini(userText, state.templateBase);
             appState[userId] = { step: 'ai_generating', lastPrompt: text, templateBase: state.templateBase, finalPrompt };
             await generateAIBannerVariants(ctx, finalPrompt, text || aiTemplates[state.templateKey]?.label || 'AI Banner');
             return;
@@ -1150,7 +1092,8 @@ if (process.env.BOT_TOKEN && process.env.BOT_TOKEN !== 'YOUR_TELEGRAM_BOT_TOKEN'
 
         // AI Banner — Erkin yozish
         if (state.step === 'ai_free_prompt_input') {
-            const finalPrompt = translatePrompt(text);
+            await ctx.reply('🧠 Gemini sizning fikringiz asosida mukammal prompt tuzmoqda...');
+            const finalPrompt = await enhancePromptWithGemini(text);
             appState[userId] = { step: 'ai_generating', lastPrompt: text, finalPrompt };
             await generateAIBannerVariants(ctx, finalPrompt, text);
             return;
@@ -1158,31 +1101,10 @@ if (process.env.BOT_TOKEN && process.env.BOT_TOKEN !== 'YOUR_TELEGRAM_BOT_TOKEN'
 
         // AI Banner (eski usul backup)
         if (state.step === 'ai_banner_prompt') {
-            const prompt = text;
-            appState[userId] = { step: 'ai_banner_waiting', lastPrompt: prompt };
-            const ts = Date.now();
-            const aiPrompt = translatePrompt(prompt);
-            const encodedPrompt = encodeURIComponent(aiPrompt);
-            const imgUrl = `https://image.pollinations.ai/prompt/${encodedPrompt}?width=1024&height=512&seed=${ts}&nologo=true`;
-            
-            ctx.reply('⏳ AI rasm yaratilmoqda... (10-30 soniya kutib turing)');
-            
-            try {
-                const buffer = await downloadImage(imgUrl);
-                
-                await ctx.replyWithPhoto({ source: buffer, filename: 'banner.jpg' }, {
-                    caption: `🎨 *AI Banner tayyor!*\n\n📝 _"${prompt}"_\n\nBu rasmni banner sifatida qo'shmoqchimisiz?`,
-                    parse_mode: 'Markdown',
-                    ...Markup.inlineKeyboard([
-                        [Markup.button.callback('✅ Tasdiqlash va qo\'shish', 'ai_save_last')],
-                        [Markup.button.callback('🔄 Qayta yaratish', 'ai_regenerate'), Markup.button.callback('❌ Bekor qilish', 'action_banners')]
-                    ])
-                });
-                appState[userId].lastImageUrl = imgUrl;
-            } catch(e) {
-                ctx.reply('❌ Rasm yaratishda xatolik: ' + e.message + '\nQayta urining.', getMainMenu());
-                delete appState[userId];
-            }
+            await ctx.reply('🧠 Gemini orqali prompt tayyorlanmoqda...');
+            const finalPrompt = await enhancePromptWithGemini(text);
+            appState[userId] = { step: 'ai_generating', lastPrompt: text, finalPrompt };
+            await generateAIBannerVariants(ctx, finalPrompt, text);
             return;
         }
         

package-lock.json

@@ -9,14 +9,25 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
+        "@google/generative-ai": "^0.24.1",
         "cors": "^2.8.6",
         "dotenv": "^17.4.1",
         "express": "^5.2.1",
         "mongoose": "^9.4.1",
         "multer": "^2.1.1",
+        "node-fetch": "^2.7.0",
         "telegraf": "^4.16.3"
       }
     },
+    "node_modules/@google/generative-ai": {
+      "version": "0.24.1",
+      "resolved": "https://registry.npmjs.org/@google/generative-ai/-/generative-ai-0.24.1.tgz",
+      "integrity": "sha512-MqO+MLfM6kjxcKoy0p1wRzG3b4ZZXtPI+z2IE26UogS2Cm/XHO+7gGRBh6gcJsOiIVoH93UwKvW4HdgiOZCy9Q==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18.0.0"
+      }
+    },
     "node_modules/@mongodb-js/saslprep": {
       "version": "1.4.6",
       "resolved": "https://registry.npmjs.org/@mongodb-js/saslprep/-/saslprep-1.4.6.tgz",

package.json

@@ -11,6 +11,7 @@
   "license": "ISC",
   "type": "commonjs",
   "dependencies": {
+    "@google/generative-ai": "^0.24.1",
     "cors": "^2.8.6",
     "dotenv": "^17.4.1",
     "express": "^5.2.1",